Patch merged into coreboot/master: 3e72ecf cpu/x86/smm/Makefile.inc: Correct SMM linkage under clang builds

the following patch was just integrated into master:
commit 3e72ecfd3503553c6cdf3f1c56466f6524d57f1e
Author: Edward O'Callaghan 
Date:   Sat Aug 2 14:51:30 2014 +1000

cpu/x86/smm/Makefile.inc: Correct SMM linkage under clang builds

Ensure that the SMM build stage links properly using the compiler-rt
    runtime under a Clang build.

Change-Id: Iead28c46d63f5bbb27757b7dc66fe06b4813d03c
    Signed-off-by: Edward O'Callaghan 
    Reviewed-on: http://review.coreboot.org/6462
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/6462 for details.

-gerrit